Bip39 History Default number of iterations used in wallets is 2048. Raising this number should help it become safer towards brute drive assaults, on the other hand you will need to keep this worth. To access your wallet with custom made PBKDF2 it is best to use this script (or https://digibookmarks.com/story18518300/old-seed-phrase-generator-bip39-word-list-secrets